CN102729751A - Bump stop with reinforced sealing - Google Patents

Bump stop with reinforced sealing Download PDF

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Publication number
CN102729751A
CN102729751A CN201210091303XA CN201210091303A CN102729751A CN 102729751 A CN102729751 A CN 102729751A CN 201210091303X A CN201210091303X A CN 201210091303XA CN 201210091303 A CN201210091303 A CN 201210091303A CN 102729751 A CN102729751 A CN 102729751A
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CN
China
Prior art keywords
labyrinth
intake section
cover panel
strut member
described device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210091303XA
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Chinese (zh)
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CN102729751B (en
Inventor
安东尼·沙穆塞
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NTN SNR Roulements SA
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NTN SNR Roulements SA
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Publication date
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Publication of CN102729751A publication Critical patent/CN102729751A/en
Application granted granted Critical
Publication of CN102729751B publication Critical patent/CN102729751B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/761—Sealings of ball or roller bearings specifically for bearings with purely axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Sealing Of Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

The device (10) has a thrust bearing (14) whose lower metal washer (20) rotates relative to an upper metal washer (22). A lower support part (16) made of synthetic material transmits forces exerted by a coil spring (12) to the lower washer. A protection cover (18) covers the upper washer and forms a housing (15) for the bearing. An annular deflector (52) delimits an upper access opening (56) with the cover, and an annular lower access opening (54) with the part. The openings form upper and lower inlet channels from outside to a same annular inlet section (44) of a labyrinth seal (42). An independent claim is also included for a method for reducing or preventing injection of water into a bump stop device.

Description

Has the epistasis of adding leak free suspension retainer
Technical field of the present invention
The present invention relates to be used for vehicle cantilever, drive the suspension retainer (suspension stop) of taking turns (steered wheel) in particular for automotive, it is provided with bearing and bearing protection device.
Prior art
By convention, the suspension clamping stopper bearing is contained in the housing with two component form, by one of part that is fixed to housing and the sealing of the sealing lip that on another part of housing, slides, as shown in the document EP 1000781.This technology has the defective that between rotating part, causes sliding torque (be called as towing moment of torsion), and this is especially unfavorable in the application of drive wheel.
In order to eliminate this towing moment of torsion, proposed to replace conventional sealing lining with non-contact type deceleration bend device (chicane device), promptly wherein rotating part not have interlaced with each other contiguously so that externally and the device of the remarkable pressure drop of generation between the bear box.First example of the type technology is provided by document FR2857906, has wherein described the suspension retainer that is used to have helical spring cantilever, comprises the S. A. of device for limiting and is provided with the clamping stopper bearing of the bottom metal liner of relative top metal liner rotation.The strut member of being processed by synthetic material is arranged between coil spring and the bearing being delivered to bottom liner by the power that spring applies.Cover panel covers headliner, and defines the housing of bearing with strut member.Cover panel is provided with cylindrical skirt, and cylindrical skirt covers but do not contact the cylindrical peripheral zone of strut member, and defines the pressure drop device between housing and the outside.The simple structure of pressure drop device makes it can adapt to the relative motion between cover panel and the strut member, especially because the motion that the low rigidity of bearing bush causes.But the liquid that can not that gets into because of capillarity is removed, and airtight quality is bad.
For can not have friction and can significantly not increase axially and radially volume ground guarantee to hang the quality seal between the rotating element of retainer; Proposition is used for the suspension stop motion mechanism of the cantilever of the vehicle in document FR 2901179; Arm is provided with coil spring, and device comprises: the S. A. of device for limiting and be provided with the rigidity clamping stopper bearing of the bottom metal liner of relative top metal liner rotation; By the strut member that synthetic material is processed, be used for the power that is applied by spring is delivered to bottom liner, middle strut member comprises the annular brace zone that is used for bottom liner; And cover headliner and define the cover panel of bear box with strut member; Cover panel is provided with the skirt section; The skirt section covers but does not contact the neighboring area of strut member; And define annular labyrinth with the neighboring area of strut member; The annular labyrinth is arranged on the radial outside of housing and housing is connected to the outside, and annular labyrinth comprises the first ring-type pressure drop device with diameter clearance J1, the 3rd annular pressure drop device that has the second ring-type pressure drop device of diameter clearance J2 and have diameter clearance J3 successively from the inboard of housing to the outside.The rigidity of bearing makes it possible to realize relatively little gap, and the danger that does not rub at the place, labyrinth.
Another solution proposes in document WO 2009/019340; Be used to avoid the danger that under the part deformation situation, rubs and peripheric sealing lip at the place, labyrinth uncontrolledly excessive friction both; Comprise packing element is arranged in the space between cover panel and the spring support; Secondly and the spring support wipe contact packing element is formulated size so that at first with cover panel and, said packing element is mounted to and can moves with respect to spring support or with respect to cover panel at least.
But, about having changed with the high-pressure water jet flushing vehicle and the new practice of especially washing the main body bottom side about demand to the protection of suspension clamping stopper bearing.
The disclosure of the Invention content
The present invention is intended to overcome all or part of shortcoming of the above prior art of pointing out, and especially proposes the entering of the water under a kind of certain pressure that prevents to be sprayed by washer jet.
For realizing this purpose, according to first aspect present invention a kind of suspension stop motion mechanism that is used for vehicle cantilever is proposed, said arm is provided with coil spring, and said device comprises:
-clamping stopper bearing, the rotation axis of its definition of said device and be provided with bottom metal liner with respect to top metal liner rotation;
-strut member, it is processed by synthetic material, is used for the power that is applied by said spring is delivered to said bottom liner, and said strut member comprises the supporting zone that is used for said bottom liner; And
-cover panel, it covers said headliner and defines the housing that is used for said bearing with said strut member, and said cover panel and said strut member define said housing are connected to exterior annular labyrinth; And
-ring diversion plate (annular deflector); Said ring diversion plate and said cover panel define at least one open top and define at least one bottom opening with said strut member, and said open top and said bottom opening limit top access road and the bottom inlet passage that gets into the common intake section on said labyrinth from the outside.
The existence of at least two openings makes one of them cleaning fluid in inject high pressure pass under another the situation as dividing a water spare.More specifically, the pressurized jet of water that gets into bottom opening part is at least discharged through open top, and the pressure of the import department office in the labyrinth will keep controlled, to prevent water entering bearing.
Preferably, said deflecting plate is arranged so that, can make the light that passes said bottom opening entering pass said open top and leave, and the said entering part that can not reflect and can not get into said labyrinth.In this way, the rising of the pressure in intake section is minimized.
Preferably, said labyrinth also comprises at least one second portion that first is connected to said bearing.
According to particularly advantageous geometrical arrangements, the said intake section in the said labyrinth radially inwardly promptly extends towards said rotation axis from said deflecting plate.This intake section can be basically radially or have a constant slope, make and give the cardinal principle conical by its shape that it points to bearing.The latter's layout helps the release of water.Preferably, the labyrinth has the second labyrinth part that intake section is connected to bearing.Preferably, said intake section is through being defined in the second portion that axial annular opening between strut member and the cover panel is connected to said labyrinth.According to particularly advantageous embodiment, said intake section radially extends the length of circular groove towards the inboard, and said axial annular opening is connected to said intake section the said second portion that is positioned at said circular groove radial outside.Therefore circular groove constitutes the chamber of the pressure that is intended to limit axial annular opening part.
According to an embodiment, said device also comprises through moving contact works and is arranged in the gasket seal in the said labyrinth.Said gasket seal can be arranged in the said second portion.According to one preferred embodiment, said gasket seal can slide on the slidingsurface of said strut member and the slidingsurface at said cover panel.
Said deflecting plate can be that the member that constitutes said cover panel or said strut member maybe can be attached to said cover panel or strut member.
Be incorporated into or be fixed at deflecting plate under the situation of cover panel, bottom opening is annular preferably, and preferably towards a plurality of open tops, a plurality of open tops are arranged on the cover panel circumference and through the connecting bridge spare between deflecting plate and the cover panel and separate in pairs.
According to preferred implementation, said labyrinth is arranged on the radial outside of said housing.More generally, said labyrinth and said deflecting plate are positioned at the radial outside of the liner of thrust baring.Obtain exterior periphery protection in the case.In the reality, said cover panel has the skirt section, its covering but do not contact the neighboring area of strut member, and limit the labyrinth with the neighboring area.
Alternatively, deflecting plate can be designed to protect the interior periphery labyrinth of the radially inner side of the housing that is positioned at clamping stopper bearing.
Naturally, a selection is not to get rid of another selection, and two deflecting plates can be provided as previously discussed, and one is used to protect outside labyrinth, and another is used to protect inner labyrinth.
According to a further aspect in the invention; It relates to and a kind ofly is used to reduce or anti-sealing injects the method for suspension stop motion mechanism; Said method comprises two annular openings that intake section in the labyrinth that is connected to the outside abreast is provided, and said labyrinth is between the bottom support and housing cover panel of the bearing of said suspension stop motion mechanism.
The accompanying drawing summary
Other characteristics of the present invention and advantage will be from reading following description, and become obviously with reference to Fig. 1, and accompanying drawing 1 shows the suspension stop motion mechanism according to preferred implementation.
The detailed description of embodiment
Fig. 1 shows the collar (top turn) that is intended to limit coil spring 12 and the suspension stop motion mechanism 10 of the pivotal engagement between the vehicles bodies.This stop motion mechanism 10 comprises the pivot bonded assembly bearing 14 that provides around axis 100, and bearing 14 is contained in the toroidal cavity 15 between bottom support 16 and the protectiveness cover panel 18, and the collar of spring 12 will be supported under the bottom support 16.Under situation about being suitable for, the filter block (not shown) can be arranged between the collar and strut member of spring, and/or on cover panel.Make cover panel 18 be fit to directly be contained in the cavity that is arranged on for this purpose in the main body, or be fit to be placed on the fish plate that is fixed to main body.In the embodiment that is considered, bearing 14 is the cylindrical bearings that comprise bottom liner 20 and headliner 22, and bottom liner 20 and headliner 22 are formed for the roller track of roll main body 24, and roll main body 24 is directed in guide box in addition.Bottom liner 20 (on relief) overleaf is shelved on the bottom support 16 that is used for this purpose setting, and headliner is contained in the cover panel 18.
Strut member 16 comprises the cylindrical skirt that is positioned at the bearing opposite side 28 that is used for guide springs, and the horizontal shoulder 30 of support spring 12.Between shoulder 30 and spring 12, can insert the annular end (not shown) of the collar (collar) of fold; Be intended to be used to protect damper to avoid external contamination; Under situation about being suitable for; This end of the collar forms the mechanical filter between spring and the bottom support 16, makes it especially can limit the noise transmission that produced by the rotation of wheel to vehicles bodies.The annular wall 32 that strut member 16 also is included in bearing 14 radially outers and gives prominence to towards cover panel 18, this wall 32 has a plurality of circular grooves 34,36,38 towards cover panel 18 radial openings, quantitatively is 3 here.
Cover panel 18 has to be arranged to and this annular wall 32 opposite external side skirt sections 40.Cover panel 18 and strut member 16 are arranged can not being in direct contact with one another, and between it, form the annular channels in the labyrinth 42, have utilized the circular groove 34,36,38 of the annular wall 32 of strut member 16.In this illustrative embodiments; Labyrinth 42 comprise have the bottom that forms by circular groove 34 basically radially annular entry part 44, at the second portion that is connected to the chamber of intake section 44 through narrow axial annular opening 46 that forms at circular groove 36 places; And the third part that forms at circular groove 38 places, this third part is connected to second portion through narrow annular opening 48.
Movably gasket seal 50 is contained in the chamber 36 of second portion.Pad 50 is supporting the skirt section 40 of cover panel with the mode of adjacency radially of sliding, and is formulated size to have axially and radially function gap with strut member 16.During high mechanical force caused the distortion or relative motion between strut member 16 and the cover panel 18, gasket seal 50 can contact with the wall of strut member 16, and still these the possible two moving contacts with strut member 16 and cover panel 18 only produce low friction torque.
In addition, if the remarkable pressure of pad 50 experience, pad 50 can be forced to and move axially, so that the path 48 between sealing second portion and the third part.
In addition, cover panel 18 is provided with the deflecting plate 52 of the intake section 44 on protection labyrinth.This deflecting plate comprises and is arranged on intake section 44 radial outsides and towards the annular wall of intake section 44, thereby prevents directly to get into this intake section 44 with linear fashion.The wall of deflecting plate 52 is by the extension that faces down 16 pairs of strut members, so that be formed for getting into the circular bottom part opening 54 of intake section 44 with strut member 16.Deflecting plate also extends upward on 40 opposites, skirt section of cover panel, so that the open top 56 that is formed for getting into intake section 44 with the skirt section 40 of cover panel.Open top 56 is connected to deflecting plate 52 the bridge spare of material in the skirt section 40 of cover panel and was opened in 58 minutes, but total effective cross section of open top 56 keeps height half the greater than the effective cross section of bottom opening 54.
Shown in accompanying drawing, on the makeup of bottom opening 54, get into the light 88 pass this opening and pass open top 56 and occur once more.What therefore guarantee is that when the jet of pressure (hydraulic) water was directed with entering bottom opening 54, the major part of stream was passed open top 56 appearance and can not turned to.The residual stream that gets into intake section 44 must filling slot 34 before can pouring the path 46 that connects second portion.If flow also very effectively in this level, then it can cause pad 50 at the axial motion that is parallel on the rotation axis of bearing, so pad will be closed path 48 to third part and bearing.
Here describe the radial outside that outside deflecting plate 52 is positioned at thrust baring 14, with protection labyrinth 42, it can be called as in the outside is to say from its meaning of radial outside that is positioned at the housing 15 of clamping stopper bearing 14.Identical principle is equally applicable to protect the path 60 that between cover panel 18 and strut member 16, exists in the retainer inner peripheral.This be because; In some application scenarios; Shape is also adapted to into the also possible pressurized jet injection of this path 60 on labyrinth, exists water to pass in the i.e. danger of the 62 entering housings 15 of the intake section between housing 15 and rotation axis 100 of housing 15 radially inner sides.Therefore inboard deflecting plate 64 is set; Inboard deflecting plate 64 is connected to cover panel 18 through bridge spare 55; Bridge spare 55 is oppositely arranged to form with this intake section and limits two openings that get into two passage channel of intake section 62 from the outside, that is, and and bottom opening 66 and open top 68.Pass bottom opening 66 and get into and pass open top 68 and occur, do not have on the meaning of the light 70 that turns to and can not get into intake section 62 and say that open top 68 is positioned to bottom opening 66 consistent can following the trail of.
Various variants are possible: deflecting plate can be attached to cover panel or strut member.It can also be the composition member of strut member.

Claims (15)

1. suspension stop motion mechanism (10) that is used for the cantilever of the vehicle, said cantilever is provided with coil spring, and said suspension stop motion mechanism comprises:
Clamping stopper bearing (14), it limits the rotation axis (10) of said suspension stop motion mechanism and is provided with the bottom metal liner (20) with respect to top metal liner (22) rotation;
Strut member (16), it is processed by synthetic material, is used for the power that is applied by said coil spring (12) is delivered to said bottom liner (20), and said strut member (16) comprises the supporting zone that is used for said bottom liner; And
Cover panel (18), it covers said headliner (22) and defines the housing (15) that is used for said clamping stopper bearing with said strut member (16), and said cover panel (18) defines with said strut member (16) said housing is connected to exterior annular labyrinth (42),
It is characterized in that; Said suspension stop motion mechanism comprises ring diversion plate (52); Said ring diversion plate (52) defines at least one open top (56) and defines at least one bottom opening (54) with said strut member (16) with said cover panel, and said open top and said bottom opening limit top access road and the bottom inlet passage that gets into the common intake section (44) on said labyrinth from the outside.
2. device according to claim 1 is characterized in that, said deflecting plate is arranged to make light can pass that said bottom opening (58) gets into and pass said open top (56) and the said intake section (44) that can not get into said labyrinth.
3. according to claim 1 or the described device of claim 2, it is characterized in that said labyrinth (42) also comprise at least one second portion that said intake section (44) is connected to said clamping stopper bearing (14).
4. stop motion mechanism according to claim 3 is characterized in that, the said intake section (44) in the said labyrinth radially extends towards said rotation axis (100) from said deflecting plate (52).
5. device according to claim 4; It is characterized in that; Said intake section (44) is connected to the second portion on said labyrinth through axial annular opening (46), and the said second portion on said labyrinth is connected to said clamping stopper bearing (14) with said intake section (44).
6. device according to claim 5; It is characterized in that; Said intake section (44) radially extends the length of circular groove (34) towards said rotation axis (100), said axial annular opening (46) is connected to said intake section the said second portion that is positioned at said circular groove (34) radial outside.
7. each described device in requiring according to aforesaid right is characterized in that, said device also comprises through moving contact works and be arranged in the gasket seal (50) in the said labyrinth.
8. according at least one described device among claim 7 and the claim 3-5, it is characterized in that said gasket seal (50) is arranged in the said second portion.
9. according to each described device in claim 7 or 8, it is characterized in that said seal joint (50) can and slide at the slidingsurface of said strut member (16) on the slidingsurface of said cover panel (18).
10. each described device in requiring according to aforesaid right is characterized in that said deflecting plate (52) forms the composition member of said cover panel (18).
11., it is characterized in that said deflecting plate (52) forms the composition member of said strut member (16) according to each described device among the claim 1-9.
12., it is characterized in that said deflecting plate (52) is attached in said cover panel (18) and the said strut member (16) according to each described device among the claim 1-9.
13., it is characterized in that the said intake section (44) on said labyrinth is arranged on the radial outside of said housing (15) according to each described device in the aforesaid right requirement.
14., it is characterized in that the said intake section (62) on said labyrinth is arranged on the radially inner side of said housing (15) according to each described device among the claim 1-12.
15. one kind is used for limiting at least the method that water injects suspension stop motion mechanism (10); Said method comprises open top (56) and the bottom opening (54) that intake section (44) outside that is connected to abreast in the labyrinth (42) is provided, and said labyrinth (42) are positioned between the bottom support (16) and housing cover panel (18) of bearing (14) of said suspension stop motion mechanism (10).
CN201210091303.XA 2011-03-30 2012-03-30 There is the suspension retainer adding epistasis sealing Active CN102729751B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1100941A FR2973291B1 (en) 2011-03-30 2011-03-30 STOPPER OF SUSPENSION WITH REINFORCED SEALING
FR11/00941 2011-03-30

Publications (2)

Publication Number Publication Date
CN102729751A true CN102729751A (en) 2012-10-17
CN102729751B CN102729751B (en) 2016-03-30

Family

ID=45876579

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210091303.XA Active CN102729751B (en) 2011-03-30 2012-03-30 There is the suspension retainer adding epistasis sealing

Country Status (9)

Country Link
US (1) US8821027B2 (en)
EP (1) EP2505392A1 (en)
JP (1) JP6153289B2 (en)
KR (1) KR101907568B1 (en)
CN (1) CN102729751B (en)
BR (1) BR102012007321A2 (en)
FR (1) FR2973291B1 (en)
IN (1) IN2012DE00984A (en)
RU (1) RU2591834C2 (en)

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CN111788407A (en) * 2018-03-06 2020-10-16 奥依列斯工业株式会社 Spring seat and suspension mounting structure

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Publication number Priority date Publication date Assignee Title
FR2948739B1 (en) * 2009-07-29 2016-02-19 Skf Ab SUSPENSION STOP DEVICE AND FORCE LEG.
FR3084290B1 (en) * 2018-07-25 2020-10-30 Ntn Snr Roulements AUTOMOTIVE VEHICLE SUSPENSION STOP
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FR2973291B1 (en) 2016-01-08
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US8821027B2 (en) 2014-09-02
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IN2012DE00984A (en) 2015-09-11
FR2973291A1 (en) 2012-10-05

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